Volumetric dispensing pipette

Details Volumetric dispensing pipette Volumetric dispensing pipette

1987-07-24

1988-10-25

Rolla, Joseph J.

Dispensing

Resilient wall

Fluid pressure generating pump or pulsator and/or removable...

222215, 222130, 222420, 422100, 401185, 604295, 7386411, 141 24, 141 26, D24 55, B65D 4718

Patent

active

047797681

ABSTRACT:
A one-piece, blow molded pipette for dispensing precise volumetric quantities of fluid. The pipette includes a strategically positioned overflow reservoir and is uniquely configured so as to precisely control the flow paths of air and fluid within the pipette so as to positively preclude the accidental dispensing of a volumetric quantity of fluid greater than the volume of the tubular portion of the device.

REFERENCES:
patent: Re31555 (1984-04-01), Garren et al.
patent: D250599 (1978-12-01), St. Amand
patent: 1594370 (1926-08-01), Kubota
patent: 3718133 (1973-02-01), Perry et al.
patent: 3748909 (1973-07-01), Kuo
patent: 3938392 (1976-02-01), Rodrigues
patent: 4212204 (1980-07-01), St. Amand
patent: 4563104 (1986-01-01), Saint-Amand

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